Category Archives: Technology

Internet’s Down

Amazon Web Services EC2 cloud volumes for N. Virginia is down and they are having trouble launching new instances. Here’s the full text direct from the console: 10:38 AM PDT We are currently investigating degraded performance for a small number of EBS volumes in a single Availability Zone in the US-EAST-1 Region. 11:11 AM PDTContinue reading “Internet’s Down”

A Novel Approach to High Frequency Trading

Interesting… HFT has proven to be singularly destructive. Despite the claims of it defenders, it does not increase market liquidity; it merely increases trading volumes without improving ease of execution. 60% of US stock market trading volume comes from HFT. HFT has undermined how markets operate. Institutional investors have diverted some of their trades toContinue reading “A Novel Approach to High Frequency Trading”

Four Percent of all NASDAQ Trades Last Week Attributed to Single Mystery Algorithm; Robo-trader Consumed 10% of Network Bandwidth

I thought we’d have another decade or two until the machines took over. The scariest part of this single program was that its millions of quotes accounted for 10 percent of the bandwidth that is allowed for trading on any given day, according to Nanex. (The size of the bandwidth pipe is determined by aContinue reading “Four Percent of all NASDAQ Trades Last Week Attributed to Single Mystery Algorithm; Robo-trader Consumed 10% of Network Bandwidth”

Fun with JavaScript Profiling, Minification, and JSLint

I’ve been working with JSLint profiling and what they say is true: minification is more efficient if you write your JavaScript following certain JavaScript sub-standards (I know there’s a better way to phrase that). File Sizes Original: 27,542 bytes Original (minified): 21,179 Linted: 30,714 Linted (minified): 20,899 Here’s the scoop. The original file size was 27,542Continue reading “Fun with JavaScript Profiling, Minification, and JSLint”